<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="BARSBundleMessage" />
  <url value="https://fhir.nhs.uk/StructureDefinition/BARSBundleMessage" />
  <version value="1.0.0" />
  <name value="BARSBundleMessage" />
  <title value="BARS Bundle Message" />
  <status value="active" />
  <date value="2021-12-08" />
  <description value="BARS Bundle Message" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Bundle" />
  <baseDefinition value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Bundle" />
  <derivation value="constraint" />
  <differential>
    <element id="Bundle.type">
      <path value="Bundle.type" />
      <fixedCode value="message" />
    </element>
    <element id="Bundle.timestamp">
      <path value="Bundle.timestamp" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>